Sign near the Mt. Washington light rail station near the Western Run tributary of the Jones Falls warns against contact with streams. It says in part, "Urban streams are subject to pollutants and runoff. Contact with the water should be avoided. "

Sign near the Mt. Washington light rail station near the Western Run tributary of the Jones Falls warns against contact with streams. It says in part, "Urban streams are subject to pollutants and runoff. Contact with the water should be avoided. " (Kim Hairston, Baltimore Sun)